www.4megaupload.com / They banned me without reason

I was a member on the website www.4megaupload.com for couple of years. Everything was ok, but recently they have changed their policy and after I shared the music, these new moderators banned me. My access to the website was closed, but I found other users from this website. They were also banned. I don’t understand why they have done it. Please, post comments if know anything about them.